Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 7/63 from 5/20

5/20 - 7/63 is 5/36.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 63 is 1260
  2. For the 1st fraction, since 20 × 63 = 1260,
    5/20 = 5 × 63/20 × 63 = 315/1260
  3. Likewise, for the 2nd fraction, since 63 × 20 = 1260,
    7/63 = 7 × 20/63 × 20 = 140/1260
  4. Subtract the two fractions:
    315/1260 - 140/1260 = 315 - 140/1260 = 175/1260
  5. After reducing the fraction, the answer is 5/36

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related:

© everydaycalculation.com